Iddings, Joseph Paxson, 1857-1920, joint author; Weed, Walter Harvey, 1862-1944, joint author; Walcott, Charles D. (Charles Doolittle), 1850-1927, joint author; Girty, George Herbert, 1869-1939, joint author; Stanton, T. W. (Timothy William), b. 1860, joint author